【火腿DIY】旧貌换新颜 | 细节改造1939年产Colin Hammarlund HQ-120X 收音机

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Colin’s Hammarlund HQ-120X restoration

Purchased on eBay March, 2016. Hammarlund HQ-120X (1939 restored) and PSC/10 speaker (1939 original). The radio was first restored by KE7RD, the collector who owned this unit for years. This was a late production version. It has 6K7’s instead of 6S7’s (good). The O/P TRANS has been replaced and an SO-239 added. It was recapped and aligned both IF + RF and works well on all bands.”

2016年3月购于eBay， Hammarlund HQ-120X (1939 复原品) 以及 PSC/10 speaker (1939 原版). 这款收音机第一次是由KE7RD修复，KE7RD收藏这款机器有些年头了。这是这款产品的最新版本，使用6K7替代6S7。O/P TRANS被更换，增加了SO-239。翻新并调整了中频和射频电路，使得在各波段运行良好。

I had the cabinet repainted locally at NRI Sandblasting and Coating with a black semi-gloss crinkle powder coat paint. I cleaned the chrome part of the handles with Quick Glo and stripped and painted the two shoulders with black gloss enamel.

我将机箱重新粉刷喷砂并涂上黑色半光亮油漆。用Quick Glo清理了洛合金部件把手，剥漆并用黑色光泽瓷漆喷涂两侧。

I had the speaker enclosure stripped and painted at the same time as the cabinet with the same black semi-gloss crinkle powder coat.

同样，喇叭也和机箱一样重新喷漆，使用和机箱一样的喷涂材料。

The original 1939 speaker was a 10″ Jensen. It worked, but I wanted the best possible sound. This current production model Jensen fit exactly.

1939年产原装喇叭为10英寸Jensen。它还能工作，但是我希望有更好的音质表现，这款喇叭和收音机搭配良好。

White lines for the knobs were done using white out. The lines are grooved so I just gobbed it on and wiped off the excess.

旋钮白线都用白色涂了，白线有凹槽所以我将多余的白漆抹掉了。

I had the faceplate rescreened by Adam’s Precision Screen Printing, Inc. San Leandro, CA. They created a film positive first, then a negative screen.

我的面板由加州圣莱安德罗的亚当精密丝网印刷公司重新印刷。他们先制造了一层阳极镀膜，然后阴极屏幕。

It was a perfect job. The color and sheen matched original. This should last longer because it is an epoxy ink that has been baked to harden.

这面板改造完美。颜色符合机器的原始状态，这应该持续时间更长，因为它是一种环氧墨水已经烤变硬。

The lettering came out clean. Even though they made a 1.5X negative they still had to create artwork for the fonts. The original letters were just etched into to aluminum. It looked like it was done by hand.

字母刻出来很干净。即使他们做了1.5 x 阴极工艺，他们仍然必须创造艺术品的字体。原来的字母只是刻在铝上。它看起来是手工完成的。

Funny how words change. We now say “megahertz”, not “megacycles.”

看看改变吧！

I refurbished the dial windows myself. They were easy to strip and I used a flat black enamel spray. The S-meter glass was dirty so I disassembled it and cleaned with Quick Glo.

Still works after all that!

source:http://swling.com/blog/2016/06/colins-hammarlund-hq-120x-restoration/

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