Media Summary: Got this in the mail today from a recent eBay purchase. I'm hoping I can do the calibration on it and things will be fine. We shall ... A quick run though of the calibration procedure for the Join the Discord or Matrix chat server, if it's not too spicy for you. Videos post one week earlier on Alt Tech platforms. Links to these ...

Derb Heathkit Im 11 Vtvm Initial Testing - Detailed Analysis & Overview

Got this in the mail today from a recent eBay purchase. I'm hoping I can do the calibration on it and things will be fine. We shall ... A quick run though of the calibration procedure for the Join the Discord or Matrix chat server, if it's not too spicy for you. Videos post one week earlier on Alt Tech platforms. Links to these ... In this video I show how I cleaned and use the Dremel to clean the spring on the In this video, we're going to restore, repair and calibrate a vintage All right guys so I didn't know if I uh mentioned this but I bought this at the Goodwill it's uh from the zenitha of

Only thing I could think of was the resistors in the grid circuits of the 12AU7 tube. They are not the correct value, but are they really ... I have been restoring vintage VTVMs (most of them being by An easy solution to having to keep too many probes handy when using a Taking the parts unit apart. This one has the meter which will be used for the

Photo Gallery

DERB - Heathkit IM 11 VTVM - Initial testing
heathkit IM-11 VTVM Vacuum Tube Volt Meter Testing
Heathkit IM-11 VTVM - Calibration
Fixing Up a Heathkit IM-11 VTVM (Pt. 1)
1962 Montgomery ward antique battery test using the Heathkit IM 11 VTVM
Heathkit IM-11 VTVM RE-revisit again for repair
Repair of Heathkit Im-11 Aniyah visit and final test
1963 Heathkit IM-11 VTVM (Daystrom Edition!  Recap & recalibrate)
Fixing Up a Heathkit IM-11 VTVM (Pt. 2)
Heathkit VTVM model IM-11 restore, repair and calibration
DERB - Heathkit IM-28 VTVM - The process begins
DERB - Heathkit IM-28 VTVM - The process continues...
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DERB - Heathkit IM 11 VTVM - Initial testing

DERB - Heathkit IM 11 VTVM - Initial testing

Got this in the mail today from a recent eBay purchase. I'm hoping I can do the calibration on it and things will be fine. We shall ...

heathkit IM-11 VTVM Vacuum Tube Volt Meter Testing

heathkit IM-11 VTVM Vacuum Tube Volt Meter Testing

Here are some

Heathkit IM-11 VTVM - Calibration

Heathkit IM-11 VTVM - Calibration

A quick run though of the calibration procedure for the

Fixing Up a Heathkit IM-11 VTVM (Pt. 1)

Fixing Up a Heathkit IM-11 VTVM (Pt. 1)

Join the Discord or Matrix chat server, if it's not too spicy for you. Videos post one week earlier on Alt Tech platforms. Links to these ...

1962 Montgomery ward antique battery test using the Heathkit IM 11 VTVM

1962 Montgomery ward antique battery test using the Heathkit IM 11 VTVM

Testing

Heathkit IM-11 VTVM RE-revisit again for repair

Heathkit IM-11 VTVM RE-revisit again for repair

We visit the

Repair of Heathkit Im-11 Aniyah visit and final test

Repair of Heathkit Im-11 Aniyah visit and final test

In this video I show how I cleaned and use the Dremel to clean the spring on the

1963 Heathkit IM-11 VTVM (Daystrom Edition!  Recap & recalibrate)

1963 Heathkit IM-11 VTVM (Daystrom Edition! Recap & recalibrate)

In this video I Have a

Fixing Up a Heathkit IM-11 VTVM (Pt. 2)

Fixing Up a Heathkit IM-11 VTVM (Pt. 2)

Join the Discord or Matrix chat server, if it's not too spicy for you. Videos post one week earlier on Alt Tech platforms. Links to these ...

Heathkit VTVM model IM-11 restore, repair and calibration

Heathkit VTVM model IM-11 restore, repair and calibration

In this video, we're going to restore, repair and calibrate a vintage

DERB - Heathkit IM-28 VTVM - The process begins

DERB - Heathkit IM-28 VTVM - The process begins

Just

DERB - Heathkit IM-28 VTVM - The process continues...

DERB - Heathkit IM-28 VTVM - The process continues...

This is the second part of the

HEATHKIT VACUUM TUBE VOLTMETER VTVM MODEL IM-5228 AND IM-11

HEATHKIT VACUUM TUBE VOLTMETER VTVM MODEL IM-5228 AND IM-11

All right guys so I didn't know if I uh mentioned this but I bought this at the Goodwill it's uh from the zenitha of

Heathkit Models IM-11 and IM-13 VTVM Video #1 - Checkout and Restoration

Heathkit Models IM-11 and IM-13 VTVM Video #1 - Checkout and Restoration

I have two

Heathkit model IM-11 VTVM mitigating Corroision

Heathkit model IM-11 VTVM mitigating Corroision

In this video after opening up the

Heathkit IM-13 - Bad resistors?

Heathkit IM-13 - Bad resistors?

Only thing I could think of was the resistors in the grid circuits of the 12AU7 tube. They are not the correct value, but are they really ...

DERB - Heathkit IM-13 - First look

DERB - Heathkit IM-13 - First look

Got my

A Deep Dive Into Heathkit VTVMs, Using the IM-18 As An Example

A Deep Dive Into Heathkit VTVMs, Using the IM-18 As An Example

I have been restoring vintage VTVMs (most of them being by

Heathkit VTVM Probe

Heathkit VTVM Probe

An easy solution to having to keep too many probes handy when using a

DERB - Heathkit IM-13 teardown - Part 1

DERB - Heathkit IM-13 teardown - Part 1

Taking the parts unit apart. This one has the meter which will be used for the