1. Brands
2. Heathkit
3. Vacuum tubes
4. Heathkit IT-21

Heathkit IT-21

• Connect

   I want this product  I own this product  I owned this product

• For Sale (12)
• Sold/Expired 

•  Filters
•  Grid
•  List

Affiliate Disclaimer: Some listings contain affiliate links. If you make a purchase through one, it helps keep Hifishark free at no extra cost to you.

Filter by

All regions

All countries

All sites

Price range

-

Prices in Original currency

Order by Relevance, high first Relevance, low first Price, high first Price, low first First seen, new first First seen, old first Product, a-z Product, z-a Site, a-z Site, z-a Proximity, closest first Proximity, farthest first

Product

Site

Price

Listed

eBay

Tubo Dati per Heathkit IT-17,IT-21,IT-3117 $17 Dec 13, 2025
- Dec 13, 2025

eBay

Tubo De Datos Para Heathkit IT-17, IT-21, IT-3117 $16 Dec 11, 2025
- Dec 13, 2025

eBay

Tube Data for Heathkit IT-17,IT-21,IT-3117 $14 Dec 7, 2025
- Dec 13, 2025

eBay

Tube Data For Heathkit IT-17, IT-21, IT-3117 $14 Dec 2, 2025

eBay

Tube Data For Heathkit IT-17, IT-21, IT-3117 $14 Nov 21, 2025
- Dec 13, 2025

eBay

Heathkit Vacuum Tube Data Book for IT-17, IT-21, and IT-3117 $35 Nov 9, 2025

eBay

Tube Data für Heathkit IT-17, IT-21, IT-3117 $15 Oct 30, 2025
- Dec 13, 2025

eBay

Tube Data for Heathkit IT-17,IT-21,IT-3117 $16 Oct 25, 2025
- Dec 13, 2025

eBay

Tube Données pour Heathkit IT-17,IT-21,IT-3117 $16 Oct 14, 2025
- Dec 13, 2025

eBay

Lot #4 Heathkit Manuals ( Lot of 1) Tube Checker IT-21 $19 Jul 1, 2025

eBay

Tube Données pour Heathkit IT-17,IT-21,IT-3117 $15 Mar 27, 2022
- Dec 13, 2025

eBay

Tube Data for Heathkit IT-17, IT-21, IT-3117 $14 Mar 17, 2022
- Dec 13, 2025

Resources

• Add one Your favourite Heathkit IT-21 resource? » Add a link here

Discuss Heathkit IT-21

Please log in to discuss Heathkit IT-21 with other users of Hifishark