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SRS Tube Amplifier Bias Kit 1 by SRS- Plate Voltage and Current Probe USA MADE

$158.60

  • Free US shipping
  • Arrives

This is a BRAND NEW, sealed SRS BiasKit 1 tube  amplifier bias setup. Includes one (1) BiasTool PVT plate voltage tester and one (1) BiasTool bias current tester, plus instructions on how to  hook up and use the devices.
The SRS BiasTool test adapter is used world-wide by tube amplifier technicians for correct setting of  bias current, a critical measurement and adjustment required when installing new output tubes in a tube amplifier.
The SRS BiasTool PVT test adapter allows safe, hands-free measurement of dangerous plate voltage in tube  amplifiers- a critical measurement for determining the correct maximum  safe bias setting in any tube amp.

Works with 5881, 6550, 7027, 8417, 6V6, 6L6, 6CA7, EL34, KT66, KT77, KT88, KT90, and many more- if you are unsure, or do not see your tube type listed  here, please contact us prior to purchase to verify if this device works with your tubes and/or amplifier, and we will gladly help you out.
This kit is *not* compatible with the smaller 9-pin mini tubes such  as EL84, 6BQ5 and 7189- see our other listings for kits compatible  with those tubes and amplifiers.

If you are unsure if this  device is compatible with your amplifier or tubes, please contact us  prior to purchase, and we will help you select the correct devices for  your needs, no problem.
This listing is for the SRS BiasKit1 only. The meters and amplifiers pictured are for  demonstration purposes only and are not included.

Isin:
IKBAFKKPEBNK

$158.60

  • Free US shipping
  • Arrives

In Stock

Sold by , Fulfilled by IBSPOT • Ships from US

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SRS Tube Amplifier Bias Kit 1 by SRS- Plate Voltage and Current Probe USA MADE

SRS Tube Amplifier Bias Kit 1 by SRS- Plate Voltage and Current Probe USA MADE

$158.60

This is a BRAND NEW, sealed SRS BiasKit 1 tube  amplifier bias setup. Includes one (1) BiasTool PVT plate voltage tester and one (1) BiasTool bias current tester, plus instructions on how to  hook up and use the devices.
The SRS BiasTool test adapter is used world-wide by tube amplifier technicians for correct setting of  bias current, a critical measurement and adjustment required when installing new output tubes in a tube amplifier.
The SRS BiasTool PVT test adapter allows safe, hands-free measurement of dangerous plate voltage in tube  amplifiers- a critical measurement for determining the correct maximum  safe bias setting in any tube amp.

Works with 5881, 6550, 7027, 8417, 6V6, 6L6, 6CA7, EL34, KT66, KT77, KT88, KT90, and many more- if you are unsure, or do not see your tube type listed  here, please contact us prior to purchase to verify if this device works with your tubes and/or amplifier, and we will gladly help you out.
This kit is *not* compatible with the smaller 9-pin mini tubes such  as EL84, 6BQ5 and 7189- see our other listings for kits compatible  with those tubes and amplifiers.

If you are unsure if this  device is compatible with your amplifier or tubes, please contact us  prior to purchase, and we will help you select the correct devices for  your needs, no problem.
This listing is for the SRS BiasKit1 only. The meters and amplifiers pictured are for  demonstration purposes only and are not included.

Isin:
IKBAFKKPEBNK

This is a BRAND NEW, sealed SRS BiasKit 1 tube  amplifier bias setup. Includes one (1) BiasTool PVT plate voltage tester and one (1) BiasTool bias current tester, plus instructions on how to  hook up and use the devices.

The SRS BiasTool test adapter is used world-wide by tube amplifier technicians for correct setting of  bias current, a critical measurement and adjustment required when installing new output tubes in a tube amplifier.

The SRS BiasTool PVT test adapter allows safe, hands-free measurement of dangerous plate voltage in tube  amplifiers- a critical measurement for determining the correct maximum  safe bias setting in any tube amp.

Works with 5881, 6550, 7027, 8417, 6V6, 6L6, 6CA7, EL34, KT66, KT77, KT88, KT90, and many more- if you are unsure, or do not see your tube type listed  here, please contact us prior to purchase to verify if this device works with your tubes and/or amplifier, and we will gladly help you out.

This kit is *not* compatible with the smaller 9-pin mini tubes such  as EL84, 6BQ5 and 7189- see our other listings for kits compatible  with those tubes and amplifiers.

If you are unsure if this  device is compatible with your amplifier or tubes, please contact us  prior to purchase, and we will help you select the correct devices for  your needs, no problem.

This listing is for the SRS BiasKit1 only. The meters and amplifiers pictured are for  demonstration purposes only and are not included.

Processing Time

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Shipping Methods & Estimated Delivery

Shipping Method Estimated Delivery Cost
Free Shipping (US) 5–10 business days Free, available on eligible items
Standard Shipping (US to US by Item) 5–10 business days $5.95 for the first item, $3.00 each additional
Standard Shipping (From US Warehouse by Weight) 3–7 business days Starts at $5.95, increasing by $2 for every additional 4 oz (0.25 lb) up to 1 lb, then by $4 for each additional pound beyond 1 lb.
Extended Delivery (Ships from Overseas Warehouse) 10–20 business days $14.50 for the first item, $2.00 each additional

Shipping costs vary by product weight, quantity and origin. Exact rates and delivery estimates are displayed on each product page and confirmed during checkout.

Free Shipping

We offer free standard shipping on select products or during promotional periods. Availability of free shipping will be displayed on the product page and at checkout. 


Carriers

We primarily use USPS and UPS for U.S. deliveries. Items shipped from international warehouses may be handled by partner carriers depending on the country of origin.


Import Duties & Taxes

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You can track your shipment anytime using the Track Your Order page on our website.


Order Changes & Cancellations

If you need to modify or cancel an order, please contact our customer support team as soon as possible. Orders can only be canceled before they ship. Once shipped, cancellations are not possible, but you may request a return after the item is delivered.

Contact: support@ibspot.com


Item Not Received

If your tracking number shows “Delivered” but you haven’t received your package:

  1. Check with your local USPS or UPS office.
  2. Confirm that the shipping address provided was correct.
  3. If the issue remains unresolved, contact support@ibspot.com for assistance.

Damaged or Lost Parcels

If your package arrives damaged or fails to arrive, please contact us immediately. For deliveries to P.O. boxes, ibspot is not responsible for damage caused by weather, temperature, or theft.


Customer Support

For any questions about shipping, tracking, or delivery, our customer support team is here to help.

Email: support@ibspot.com

We’re always happy to help.

Please read our policy carefully before making a purchase.
We aim to ensure every customer has a smooth and transparent experience with ibspot.com.


Order Cancellation Policy

Customers may request to cancel an order before it has been shipped.
Once the package has been shipped, cancellations are no longer possible; however, you may still request a return after receiving your order.

How to Request a Cancellation

You can contact us through:

Please submit your cancellation request as soon as possible after placing the order to allow us to process it before shipment.


Return Policy

We accept returns for most items within 30 days of delivery for a full refund.

To be eligible for a return:

  • The item must be unused, in the same condition as received, and in its original packaging.
  • A tracking number must be provided to confirm the return shipment.

Non-Returnable Items

Certain products cannot be returned, including:

  • Perishable goods (for example, food, flowers, newspapers, magazines)
  • Intimate or sanitary goods
  • Hazardous materials or flammable liquids/gases
  • Gift cards
  • Downloadable software
  • Some health and personal care items

Partial Refunds (If Applicable)

Partial refunds may be granted in specific situations, such as:

  • Books with obvious signs of use
  • Opened CDs, DVDs, software, or vinyl records
  • Items not in their original condition, damaged, or missing parts not due to our error
  • Items returned more than 30 days after delivery

How to Return an Item

To initiate a return, please contact us at support@ibspot.com with your order number and details about the product you wish to return.
Our team will provide you with return instructions and a prepaid return label.


Shipping Cost for Returns

Please contact us before returning any item.
We will provide a free return shipping label.

If a return is sent back without prior contact or without our provided label, we cannot be held responsible for return shipping costs.

For items valued over $75, we recommend using a trackable shipping service or purchasing shipping insurance.
We cannot guarantee that we will receive your returned item if shipped independently.


Refund Processing

Once your return is received and inspected:

  • In-store returns are refunded to the original form of payment or issued as a gift card.
  • Mail-in returns using our prepaid label are refunded to the original payment method within 3–5 business days after we receive your return.

Please allow:

  • 5–7 business days for the return to reach our Returns Center.
  • An additional 3–10 business days for your bank to post the refund to your account.

Damages, Issues & Claims

Please inspect your order immediately upon receipt.
If you receive a defective, damaged, or incorrect item, contact us right away at support@ibspot.com.
We’ll evaluate the issue promptly and make it right.

Product Claims

Before purchasing, please review product details carefully.
If there is a problem with your order upon arrival, visit our Support Center or contact us directly to arrange return shipping or replacement.


Exchanges

We do not process direct exchanges.
The fastest way to get what you need is to return the original item and place a new order once your return is accepted.


Return Address

IBSPOT Return Center
15 Sawmill Ln
Dover Plains, NY 12522
United States


Customer Support

Our support team is available 24/7 to assist with cancellations, returns, or general inquiries.

Email: support@ibspot.com
Contact Form: Contact Us page

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