{"id":8456,"date":"2020-05-25T10:56:18","date_gmt":"2020-05-25T09:56:18","guid":{"rendered":"http:\/\/www.bartola.co.uk\/valves\/?p=8456"},"modified":"2020-05-25T10:56:18","modified_gmt":"2020-05-25T09:56:18","slug":"ba-dht-spice-model","status":"publish","type":"post","link":"https:\/\/www.bartola.co.uk\/valves\/2020\/05\/25\/ba-dht-spice-model\/","title":{"rendered":"Ba DHT Spice Model"},"content":{"rendered":"

I really love the Ba DHT preamp<\/a>, if you need the gain in your system, is likely to be one of the best sounding DHT preamps in my experience. As received many requests for the SPICE model for the Ba DHT, here it is:<\/p>\n

**** Ba TRIODE Composite DHT *****************************************
\n* Created on 10\/13\/2017 18:33 using paint_kit.jar 2.9
\n* www.dmitrynizh.com\/tubeparams_image.htm
\n*
\n* Traced and model by Ale Moglia valves@bartola.co.uk
\n* (c) 2017 Ale Moglia and Bartola Ltd. UK
\n* www.bartola.co.uk\/valves
\n*———————————————————————————-
\n.SUBCKT DHT_Ba 1 2 3 4 ; P G K1 K2
\n+ PARAMS: CCG=1P CGP=3.8P CCP=1P RFIL=7
\n+ MU=14 KG1=8940 KP=84 KVB=5232 VCT=-3.5 EX=1.47 RGI=2000
\n* Vp_MAX=350 Ip_MAX=10 Vg_step=1 Vg_start=0 Vg_count=11
\n* Rp=4000 Vg_ac=55 P_max=1.5 Vg_qui=-48 Vp_qui=300
\n* X_MIN=75 Y_MIN=51 X_SIZE=492 Y_SIZE=530 FSZ_X=1192 FSZ_Y=679 XYGrid=false
\n* showLoadLine=n showIp=y isDHT=y isPP=n isAsymPP=n showDissipLimit=y
\n* showIg1=n gridLevel2=n isInputSnapped=n
\n* XYProjections=n harmonicPlot=n harmonics=y
\n*———————————————————————————-
\nRFIL_LEFT 3 31 {RFIL\/4}
\nRFIL_RIGHT 4 41 {RFIL\/4}
\nRFIL_MIDDLE1 31 34 {RFIL\/4}
\nRFIL_MIDDLE2 34 41 {RFIL\/4}
\nE11 32 0 VALUE={V(1,31)\/KP*LOG(1+EXP(KP*(1\/MU+V(2,31)\/SQRT(KVB+V(1,31)*V(1,31)))))}
\nE12 42 0 VALUE={V(1,41)\/KP*LOG(1+EXP(KP*(1\/MU+V(2,41)\/SQRT(KVB+V(1,41)*V(1,41)))))}
\nRE11 32 0 1G
\nRE12 42 0 1G
\nG11 1 31 VALUE={(PWR(V(32),EX)+PWRS(V(32),EX))\/(2*KG1)}
\nG12 1 41 VALUE={(PWR(V(42),EX)+PWRS(V(42),EX))\/(2*KG1)}
\nRCP1 1 34 1G
\nC1 2 34 {CCG} ; CATHODE-GRID
\nC2 2 1 {CGP} ; GRID=PLATE
\nC3 1 34 {CCP} ; CATHODE-PLATE
\nD3 5 3 DX ; FOR GRID CURRENT
\nD4 6 4 DX ; FOR GRID CURRENT
\nRG1 2 5 {2*RGI} ; FOR GRID CURRENT
\nRG2 2 6 {2*RGI} ; FOR GRID CURRENT
\n.MODEL DX D(IS=1N RS=1 CJO=10PF TT=1N)
\n.ENDS
\n*$<\/p><\/blockquote>\n

You can download the file here: Ba spice triode model<\/a><\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

I really love the Ba DHT preamp, if you need the gain in your system, is likely to be one of the best sounding DHT preamps in my experience. As received many requests for the SPICE model for the Ba DHT, here it is: **** Ba TRIODE Composite DHT ***************************************** * Created on 10\/13\/2017 18:33 … Continue reading “Ba DHT Spice Model”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[12,156,24,38],"tags":[1337,1335,1336,373],"class_list":["post-8456","post","type-post","status-publish","format-standard","hentry","category-dht-valves","category-pre-amplifier-valves","category-valve-curve-tracer","category-valve-tester","tag-ba-ltspice-model","tag-ba-triode","tag-ba-triode-spice-model","tag-dht-spice-model"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2r2tK-2co","jetpack_likes_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/8456","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/comments?post=8456"}],"version-history":[{"count":1,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/8456\/revisions"}],"predecessor-version":[{"id":8458,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/posts\/8456\/revisions\/8458"}],"wp:attachment":[{"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/media?parent=8456"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/categories?post=8456"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bartola.co.uk\/valves\/wp-json\/wp\/v2\/tags?post=8456"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}